public static IEnumerable <BaseStatement> ToYolol(this IDataFlowGraph dfg)
{
foreach (var dfgo in dfg.Outputs)
{
yield return(dfgo.ToStatement());
}
}
[NotNull] public static string ToDot([NotNull] this IDataFlowGraph dfg)
{
string GetNodeId(IDataFlowGraphNode node) => $"_{node.Id.ToString().Replace("-", "")}";
var sb = new StringBuilder();
sb.AppendLine("digraph {");
sb.AppendLine(" node [fontsize = \"12\"];");
sb.AppendLine(" edge [fontsize = \"8\"];");
// Add clusters for input/output variables
void OutputNameSection <T>(IEnumerable <T> nodes, string rank, string cluster, Func <T, string> label, Func <T, bool> external)
where T : IDataFlowGraphNode
{
foreach (var item in nodes)
{
sb.AppendLine($" {GetNodeId(item)} [rank={rank} label=\"{label(item)}\" shape={(external(item) ? "diamond" : "circle")}];");
}
sb.AppendLine($" {{rank=same { string.Join(" ", nodes.Select(a => GetNodeId(a))) }}}");
if (nodes.Count() > 1)
{
sb.AppendLine($" { string.Join(" -> ", nodes.Select(a => GetNodeId(a))) } [style=invis]");
}
}
OutputNameSection(dfg.Inputs, "min", "inputs", a => a.ToString(), a => (a as IDataFlowGraphInputVariable)?.Name.IsExternal ?? false);
OutputNameSection(dfg.Outputs, "max", "outputs", a => a.ToString(), a => false);
// Insert an invisible edge to line up the input and output blocks
if (dfg.Inputs.Any() && dfg.Outputs.Any())
{
sb.AppendLine($" {GetNodeId(dfg.Inputs.First())} -> {GetNodeId(dfg.Outputs.First())} [style=invis]");
}
// Emit a node for every intermediate op
foreach (var op in dfg.Operations)
{
sb.AppendLine($" {GetNodeId(op)} [label=\"{op}\", shape=square];");
}
// Emit connections for nodes
foreach (var output in dfg.Outputs)
{
sb.Append($" {GetNodeId(output.Input)} -> {GetNodeId(output)}");
}
foreach (var op in dfg.Operations)
{
foreach (var input in op.Inputs)
{
sb.AppendLine($" {GetNodeId(input)} -> {GetNodeId(op)}");
}
}
sb.AppendLine();
sb.AppendLine("}");
return(sb.ToString());
}
public static string ToDot(this IDataFlowGraph dfg)
{
